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Eurorack + Modular Synths

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  1. ADDAC ADDAC507 Random Bézier Waves (Black)
    ADDAC System ADDAC507 Random Bézier Waves (Black) 10hp
    • NEW
    $349.99

    Preorder New release—reserve yours today!

    Preorder

    We're awaiting our full initial batch of this item—pre-order to reserve your place in line! Customer orders are fulfilled in the order in which they are received.
  2. Frap Tools Bagai Analog Sample + Hold
    Frap Tools Bagai Analog Sample + Hold 12hp
    • NEW
    $299.99

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    We're awaiting our full initial batch of this item—pre-order to reserve your place in line! Customer orders are fulfilled in the order in which they are received.
  3. Befaco 7U Powered Eurorack Case
    Befaco 7U Powered Eurorack Case - 104HP
    $749.99

    In Stock Available immediately!
  4. Befaco M3 Knurlies Eurorack Screws
    Befaco M3 Knurlies Eurorack Screws
    As low as $24.99
    Multiple Options Make a selection for stock info
  5. Schlappi Engineering Three Body
    Schlappi Engineering Three Body Triple FPGA Oscillator 30hp
    As low as $550.00
    Multiple Options Make a selection for stock info
  6. ADDAC ADDAC807 VC Stereo Summing Mixer (Black)
    ADDAC System ADDAC807 VC Stereo Summing Mixer (Black) 80hp
    $1,690.00

    Backorder Reserve your order today!

    Out of Stock

    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  7. Frap Tools 411 Quad VCA
    Frap Tools 411 Quad VCA 6hp
    • NEW
    $139.99

    Preorder New release—reserve yours today!

    Preorder

    We're awaiting our full initial batch of this item—pre-order to reserve your place in line! Customer orders are fulfilled in the order in which they are received.
  8. Befaco Output v3 module, front view
    Befaco Output v3 4hp
    $149.99

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  9. Befaco Stmix
    Befaco Stmix 4-Channel Stereo Mixer 6hp
    $149.99

    In Stock Available immediately!
  10. Befaco Midi Thing 2 MIDI-CV Converter
    Befaco MIDI Thing 2 MIDI-CV Converter 6hp
    $349.99

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    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  11. ADDAC402 Heuristic Rhythm Generator
    ADDAC System ADDAC402 Heuristic Rhythm Generator 20hp
    $520.00

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  12. Befaco Trolley Bus
    Befaco Trolley Bus Eurorack Power Supply + Busboard
    $249.99

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  13. Befaco 1U STMix 4-Channel Stereo Mixer
    Befaco 1U STMix 4-Channel Stereo Mixer 28hp
    $99.99

    In Stock Available immediately!
  14. Fumana Spectral Filter Bank
    Frap Tools Fumana Spectral Filter Bank 42hp
    $999.00

    In Stock Available immediately!
  15. Frap Tools Cunsa Quad Multi-Mode Filter
    Frap Tools Cunsa Quad Multi-Mode Filter 42hp
    $999.00

    In Stock Available immediately!
  16. ADDAC ADDAC901PD 12U Portable Eurorack Case
    ADDAC System ADDAC901PD 12U Portable Eurorack Case
    $969.99

    In Stock Available immediately!
  17. Befaco I4 Instrument Interface
    Befaco I4 Instrument Interface 8hp
    $239.99

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  18. Befaco Pony VCF Low Pass Filter
    Befaco Pony VCF Low Pass Filter 6hp
    • NEW
    $199.99

    In Stock Available immediately!
  19. Befaco Fx Boy Cartridge Multi-Effects Module
    Befaco Fx Boy Cartridge Multi-Effects Module 12hp
    $419.99

    In Stock Available immediately!
  20. ADDAC 200 PI Pedal Integrator Black
    ADDAC System ADDAC200PI Pedal Integrator 4hp
    $115.00

    In Stock Available immediately!
  21. ADDAC System ADDAC207 Intuitive Quantizer (Black)
    ADDAC System ADDAC207 Intuitive Quantizer 10hp
    $415.00

    In Stock Available immediately!
  22. Befaco 1U Out Line Output Module
    Befaco 1U Out Line Output Module 16hp
    $99.99

    In Stock Available immediately!
  23. Schlappi 100 Grit Touch-Controlled Distortion
    Schlappi Engineering 100 Grit Touch-Controlled Distortion 14hp
    As low as $260.00
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  24. ADDAC 112 VC Looper & Granular Processor
    ADDAC System ADDAC112 VC Looper and Granular Processor 45hp
    $699.99

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  25. Frap Tools Brenso Complex Oscillator
    Frap Tools Brenso Complex Oscillator 30hp
    $639.00

    In Stock Available immediately!
  26. Schlappi Engineering Angle Grinder
    Schlappi Engineering Angle Grinder Quadrature Oscillator + Waveshaper 18hp
    As low as $310.00
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  27. Frap Tools QSC
    Frap Tools QSC Creative Mixer Quad Stereo Channel 18hp
    $499.00

    In Stock Available immediately!
  28. Sapel Tamed Random
    Frap Tools Sapel Tamed Random 18hp
    $499.00

    In Stock Available immediately!
  29. ADDAC ADDAC800X High-End Audio Outputs
    ADDAC System ADDAC800X High-End Outputs 8hp
    $475.00

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  30. Frap Tools Falistri Movement Manager
    Frap Tools Falistri Movement Manager 18hp
    $469.99

    In Stock Available immediately!
  31. Befaco Pony VCO 3U Thru-Zero Oscillator
    Befaco Pony VCO 3U Thru-Zero Oscillator 4hp
    $229.99

    In Stock Available immediately!
  32. Befaco Pony VCO 1U Thru-Zero Oscillator
    Befaco Pony VCO 1U Thru-Zero Oscillator 24hp
    $229.99

    In Stock Available immediately!
  33. Befaco M2.5 Knurlies Eurorack Screws
    Befaco M2.5 Knurlies Eurorack Screws
    As low as $24.99
    Multiple Options Make a selection for stock info
  34. ADDAC System ADDAC200CT Cable Tester
    ADDAC System ADDAC200CT Cable Tester
    • NEW
    $59.99

    In Stock Available immediately!
  35. Schlappi Engineering Boundary
    Schlappi Engineering Boundary Cycling Slew and Four-Quadrant Multipler 12hp
    As low as $219.00
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  36. ADDAC ADDAC222 CV to Notes
    ADDAC System ADDAC222 CV to Notes 16hp
    $430.00

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  37. ADDAC ADDAC506 Stochastic Function Generator
    ADDAC System ADDAC506 Stochastic Function Generator 20hp
    $430.00

    In Stock Available immediately!
  38. ADDAC ADDAC311 Ultra Floor Control (Black)
    ADDAC System ADDAC311 Ultra Floor Control (Black) 6hp
    $420.00

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  39. ADDAC 802 VCA Quintet Mixing Console
    ADDAC System ADDAC802 VCA Quintet 12hp
    $415.00

    In Stock Available immediately!
  40. ADDAC 403 VC Time Signature Clock Sources
    ADDAC System ADDAC403 VC Time Signature Clock Sources 16hp
    $415.00

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  41. Schlappi Engineering Nibbler
    Schlappi Engineering Nibbler CMOS Four-Bit Digital Accumulator 12hp
    As low as $240.00
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  42. ADDAC ADDAC221 CV to CC
    ADDAC System ADDAC221 CV to CC 16hp
    $385.00

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  43. Befaco Synth Duster
    Befaco Synth Duster
    $13.49

    In Stock Available immediately!
  44. ADDAC ADDAC305 Manual Latches
    ADDAC System ADDAC305 Manual Latches 8hp
    $120.00

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  45. ADDAC System ADDAC710 Balanced Outputs
    ADDAC System ADDAC710 Balanced Outputs 6hp
    $175.00

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  46. Befaco VCMC
    Befaco VCMC CV to MIDI Converter 20hp
    $349.99

    In Stock Available immediately!
  47. ZORX Electronics 1U CV Bus Voltage Distributor
    ZORX Electronics 1U CV Bus Voltage Distributor 84hp
    $349.00

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  48. Recovery Cutting Room Floor V3 Tape Echo
    Recovery Cutting Room Floor V3 Tape Echo 6hp
    $169.00

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1-48 of 198 items

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Modular synths are one of the most inspiring tools available to electronic musicians today: synthesizers that you can assemble yourself from core components, building an instrument specifically meant for your music and your workflow. These core components, called modules, each perform an individual function. Some generate sound, some process sound, and some provide a way to control other modules.

At Perfect Circuit we specialize in the Eurorack format of modular synthesizers, a standard developed by Dieter Doepfer in order to provide musicians easy and affordable access to the techniques from the large analog synths of yesteryear: Moog, Buchla, ARP, and Serge systems, and many more. Since then, Eurorack has grown considerably—now offering a wide range of unique sonic opportunities.

Now, manufacturers like Verbos Electronics and Random*Source focus on adapting classic analog designs for use in modern music. Others, like Noise Engineering, Industrial Music Electronics, or Mutable Instruments, work in the digital realm to bring new techniques to the world of hardware. Others like Rossum Electro-Music and Make Noise work in both domains to make instruments that strike an uncanny balance between analog and digital, opening new worlds of expression.

Through some combination of these modules, a mess of patch cables, and a healthy does of experimentation, many musicians have found their own unique voices: and perhaps you will find yours there, too.